AD 74-18-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Slick Electro, Inc. | Magnetos | Airworthiness Directives; SLICK ELECTRO, INC: Applies to Slick Magneto Models 447, 662, 664, 667, 668, 676, and 680 Manufactured Prior to August 1973 with Serial Numbers 3080608 and Below |
Unsafe Condition
Failure of the magneto impulse coupling due to loose pawls.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace old impulse couplings with specified new couplings (M-2369 to M-2374) based on model. Inspect pawl rivets for looseness using pliers; replace hub assembly if rivet turns. Follow service manuals for spring tension during reassembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the accumulation of time in service corresponding to the engine manufacturer's recommended overhaul period or within the next 100 hours, whichever is later, after the effective date of this AD.
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Affected Aircraft
Slick Electro, Inc. Models 447, 662, 664, 667, 668, 676, and 680 manufactured prior to August 1973 with serial numbers 3080608 and below.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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